Effects of sorption on the biodegradation of 2‐methylpyridine in aqueous suspensions of reference clay minerals

  title={Effects of sorption on the biodegradation of 2‐methylpyridine in aqueous suspensions of reference clay minerals},
  author={Edward J. O’Loughlin and Samuel J. Traina and Gerald K. Sims},
  journal={Environmental Toxicology and Chemistry},
The effects of sorption on the bioavailability of 2‐methylpyridine (2‐MP) were investigated by determining the biodegradation of 2‐MP by an Arthrobacter sp. in aqueous suspensions of reference clay minerals and a synthetic cation exchange resin. Adsorption of 2‐MP on kaolinite, illite, hectorite, montmorillonite, and Dowex® was determined by the batch equilibrium method. In general, adsorption of 2‐MP was positively correlated with the cation exchange capacity of the sorbent, suggesting that… 

Sorption and transport of heterocyclic aromatic compounds in soils

Nitrogen-, sulphur-, and oxygen-heterocyclic aromatic compounds (NSOs) are common groundwater pollutants at sites contaminated by coal tar; however, they are frequently overlooked. NSOs have also

Role of sorption and degradation in the herbicidal function of isoxaflutole.

Control of most weed species appeared to be a function of both sorption and biodegradation of DKN, with greatest weed control being observed in soils in which a significant portion of the DKN that was formed persisted and remained bioavailable over the course of the incubation.

Nanocluster of Aluminum Lattice via Organic Inhibitors Coating: A Study of Freundlich Adsorption

The adsorption analysis of some organic inhibitors consisting of Pyridine, 2-Methylpyridine, 3-Methylpyridine, 4-Methylpyridine and 2, 4-Dimethylpyridine onto aluminum (111) metal surface based on

Diffusion Limitation for Atrazine Biodegradation in Soil

Effects of sub-millimeter scale heterogeneity in chemical and microbial distributions on atrazine degradation were examined using Pseudomonas sp. strain ADP introduced into soil at a population

Effect of Sediment on the Biodegradation of Petroleum Contaminants in Natural Water

Abstract Biodegradation of petroleum contaminants in natural water was studied within an Asian river context where high-suspended sediment content exists. Petroleum contaminant is one of the main

Reduction of Hg(II) by Fe(II)-Bearing Smectite Clay Minerals

Aluminosilicate clay minerals are often a major component of soils and sediments and many of these clays contain structural Fe (e.g., smectites and illites). Structural Fe(III) in smectite clays is



Bioavailability of sorbed 3-chlorodibenzofuran

It is proposed that the rate at which a sorbed substrate becomes available for organisms is influenced by the specific affinity of the degrading organisms (i.e., their ability to reduce the aqueous substrate concentration) and the tendency of the organisms to adhere to the sorbent.

Effect of Sorption on Mineralization of Low Concentrations of Aromatic Compounds in Lake Water Samples

Clay may have a significant effect on the microbial decomposition of low concentrations of certain organic compounds when the amine concentration in solution was relatively high.

Spectroscopic study of sorption of nitrogen heterocyclic compounds on phyllosilicates

The present study focused on understanding the sorption characteristics of acridine (AcN) and acridine-9-carboxylic acid (AcNCOOH), two typical nitrogen heterocyclic compounds (NHCs), on

Mechanisms for adsorption of organic bases on hydrated smectite surfaces

Mechanisms by which organic bases are adsorbed on hydrated smectite surfaces were investigated. Three Ca‐saturated reference smectites (Otay, SPV, and Panther Creek) were dispersed in distilled water

Quinoline sorption to subsurface materials: role of pH and retention of the organic cation.

It is suggested that in subsurface materials of low carbon content, quinoline sorption is controlled by pH the nature and capacity of the exchange complex, and groundwater ion composition.

Microbial mineralization of organic compounds in an acidic agricultural soil: Effects of preadsorption to various soil constituents

This study investigated the interactions between organic chemicals and components of the soil matrix and their effects on subsequent microbial mineralization kinetics. Five 14 C-labeled chemicals

Differential bioavailability of soil-sorbed naphthalene to two bacterial species

There are important organism-specific properties which make generalizations regarding the bioavailability of sorbed substrates inappropriate, and a simple kinetic method to examine the rates and extents of naphthalene degradation in soil-free and soil-containing systems is developed.

Biodegradation of pyridine derivatives in soil suspensions

Relationships between structure and biodegradability were evaluated for 28 pyridine derivatives in nutrient solutions inoculated with soil and incubated at 24°C. Compounds studied included pyridine;